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[ALSA] emux - Avoid cast of function pointers 

Modules: Common EMU synth

Pass the proper functions instead of cast of function pointers, which
can be dangerous with compiler optimizations.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 10:50:13 +01:00 committed by Jaroslav Kysela
parent cb432379ef
commit a57d151581
1 changed files with 29 additions and 3 deletions
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32
sound/synth/emux/emux.c
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@ -66,6 +66,29 @@ int snd_emux_new(snd_emux_t **remu)
/*
*/
static int sf_sample_new(void *private_data, snd_sf_sample_t *sp,
snd_util_memhdr_t *hdr,
const void __user *buf, long count)
{
snd_emux_t *emu = private_data;
return emu->ops.sample_new(emu, sp, hdr, buf, count);
}
static int sf_sample_free(void *private_data, snd_sf_sample_t *sp,
snd_util_memhdr_t *hdr)
{
snd_emux_t *emu = private_data;
return emu->ops.sample_free(emu, sp, hdr);
}
static void sf_sample_reset(void *private_data)
{
snd_emux_t *emu = private_data;
emu->ops.sample_reset(emu);
}
int snd_emux_register(snd_emux_t *emu, snd_card_t *card, int index, char *name)
{
int err;
@ -85,9 +108,12 @@ int snd_emux_register(snd_emux_t *emu, snd_card_t *card, int index, char *name)
/* create soundfont list */
memset(&sf_cb, 0, sizeof(sf_cb));
sf_cb.private_data = emu;
sf_cb.sample_new = (snd_sf_sample_new_t)emu->ops.sample_new;
sf_cb.sample_free = (snd_sf_sample_free_t)emu->ops.sample_free;
sf_cb.sample_reset = (snd_sf_sample_reset_t)emu->ops.sample_reset;
if (emu->ops.sample_new)
sf_cb.sample_new = sf_sample_new;
if (emu->ops.sample_free)
sf_cb.sample_free = sf_sample_free;
if (emu->ops.sample_reset)
sf_cb.sample_reset = sf_sample_reset;
emu->sflist = snd_sf_new(&sf_cb, emu->memhdr);
if (emu->sflist == NULL)
return -ENOMEM;